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<div class="header">
  <div class="headertitle"><div class="title">transform_functions.h</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/******************************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * @file     transform_functions.h</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * @brief    Public header file for CMSIS DSP Library</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * @version  V1.10.0</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * @date     08 July 2021</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * Target Processor: Cortex-M and Cortex-A cores</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> ******************************************************************************/</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment">/*</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * Copyright (c) 2010-2020 Arm Limited or its affiliates. All rights reserved.</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * SPDX-License-Identifier: Apache-2.0</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the License); you may</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * not use this file except in compliance with the License.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * You may obtain a copy of the License at</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> *</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> *</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * distributed under the License is distributed on an AS IS BASIS, WITHOUT</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * See the License for the specific language governing permissions and</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * limitations under the License.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> */</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#ifndef _TRANSFORM_FUNCTIONS_H_</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#define _TRANSFORM_FUNCTIONS_H_</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#include &quot;arm_math_types.h&quot;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#include &quot;arm_math_memory.h&quot;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &quot;dsp/none.h&quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &quot;dsp/utils.h&quot;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#include &quot;dsp/basic_math_functions.h&quot;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &quot;dsp/complex_math_functions.h&quot;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#ifdef   __cplusplus</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>{</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>  {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>          uint16_t fftLen;                 </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>          uint8_t ifftFlag;                </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>          uint8_t bitReverseFlag;          </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>    <span class="keyword">const</span> q15_t *pTwiddle;                 </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;          </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>          uint16_t twidCoefModifier;       </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>          uint16_t bitRevFactor;           </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>  } <a class="code hl_struct" href="structarm__cfft__radix2__instance__q15.html">arm_cfft_radix2_instance_q15</a>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>  arm_status arm_cfft_radix2_init_q15(</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>        <a class="code hl_struct" href="structarm__cfft__radix2__instance__q15.html">arm_cfft_radix2_instance_q15</a> * S,</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>        uint16_t fftLen,</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>        uint8_t ifftFlag,</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>        uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>  <span class="keywordtype">void</span> arm_cfft_radix2_q15(</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__radix2__instance__q15.html">arm_cfft_radix2_instance_q15</a> * S,</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>        q15_t * pSrc);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>  {</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>          uint16_t fftLen;                 </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>          uint8_t ifftFlag;                </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>          uint8_t bitReverseFlag;          </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>    <span class="keyword">const</span> q15_t *pTwiddle;                 </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;          </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>          uint16_t twidCoefModifier;       </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>          uint16_t bitRevFactor;           </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>  } <a class="code hl_struct" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a>;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>  arm_status arm_cfft_radix4_init_q15(</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>        <a class="code hl_struct" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a> * S,</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>        uint16_t fftLen,</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>        uint8_t ifftFlag,</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>        uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>  <span class="keywordtype">void</span> arm_cfft_radix4_q15(</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a> * S,</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>        q15_t * pSrc);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>  {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>          uint16_t fftLen;                 </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>          uint8_t ifftFlag;                </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>          uint8_t bitReverseFlag;          </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>    <span class="keyword">const</span> q31_t *pTwiddle;                 </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;          </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>          uint16_t twidCoefModifier;       </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>          uint16_t bitRevFactor;           </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>  } <a class="code hl_struct" href="structarm__cfft__radix2__instance__q31.html">arm_cfft_radix2_instance_q31</a>;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>  arm_status arm_cfft_radix2_init_q31(</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>        <a class="code hl_struct" href="structarm__cfft__radix2__instance__q31.html">arm_cfft_radix2_instance_q31</a> * S,</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>        uint16_t fftLen,</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>        uint8_t ifftFlag,</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>        uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>  <span class="keywordtype">void</span> arm_cfft_radix2_q31(</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__radix2__instance__q31.html">arm_cfft_radix2_instance_q31</a> * S,</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>        q31_t * pSrc);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>  {</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>          uint16_t fftLen;                 </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>          uint8_t ifftFlag;                </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>          uint8_t bitReverseFlag;          </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    <span class="keyword">const</span> q31_t *pTwiddle;                 </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;          </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>          uint16_t twidCoefModifier;       </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>          uint16_t bitRevFactor;           </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>  } <a class="code hl_struct" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>  <span class="keywordtype">void</span> arm_cfft_radix4_q31(</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a> * S,</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>        q31_t * pSrc);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>  arm_status arm_cfft_radix4_init_q31(</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>        <a class="code hl_struct" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a> * S,</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>        uint16_t fftLen,</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>        uint8_t ifftFlag,</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>        uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>  {</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>          uint16_t fftLen;                   </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>          uint8_t ifftFlag;                  </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>          uint8_t bitReverseFlag;            </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>    <span class="keyword">const</span> float32_t *pTwiddle;               </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;            </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>          uint16_t twidCoefModifier;         </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>          uint16_t bitRevFactor;             </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>          float32_t onebyfftLen;             </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>  } <a class="code hl_struct" href="structarm__cfft__radix2__instance__f32.html">arm_cfft_radix2_instance_f32</a>;</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span> </div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>  arm_status arm_cfft_radix2_init_f32(</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>        <a class="code hl_struct" href="structarm__cfft__radix2__instance__f32.html">arm_cfft_radix2_instance_f32</a> * S,</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>        uint16_t fftLen,</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>        uint8_t ifftFlag,</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>  <span class="keywordtype">void</span> arm_cfft_radix2_f32(</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__radix2__instance__f32.html">arm_cfft_radix2_instance_f32</a> * S,</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>        float32_t * pSrc);</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>  {</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>          uint16_t fftLen;                   </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>          uint8_t ifftFlag;                  </div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>          uint8_t bitReverseFlag;            </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>    <span class="keyword">const</span> float32_t *pTwiddle;               </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;            </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>          uint16_t twidCoefModifier;         </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>          uint16_t bitRevFactor;             </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>          float32_t onebyfftLen;             </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>  } <a class="code hl_struct" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a>;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>  arm_status arm_cfft_radix4_init_f32(</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>        <a class="code hl_struct" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> * S,</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>        uint16_t fftLen,</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>        uint8_t ifftFlag,</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>        uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment">/* Deprecated */</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>  <span class="keywordtype">void</span> arm_cfft_radix4_f32(</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> * S,</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>        float32_t * pSrc);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>  {</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>          uint16_t fftLen;                   </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    <span class="keyword">const</span> q15_t *pTwiddle;             </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;      </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>          uint16_t bitRevLength;             </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="preprocessor">#if defined(ARM_MATH_MVEI) &amp;&amp; !defined(ARM_MATH_AUTOVECTORIZE)</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride1_arr;                                                               \</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride2_arr;                                                               \</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride3_arr;                                                               \</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>   <span class="keyword">const</span> q15_t *rearranged_twiddle_stride1;                                                                    \</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>   <span class="keyword">const</span> q15_t *rearranged_twiddle_stride2;                                                                    \</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>   <span class="keyword">const</span> q15_t *rearranged_twiddle_stride3;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>  } <a class="code hl_struct" href="structarm__cfft__instance__q15.html">arm_cfft_instance_q15</a>;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>arm_status arm_cfft_init_q15(</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>  <a class="code hl_struct" href="structarm__cfft__instance__q15.html">arm_cfft_instance_q15</a> * S,</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>  uint16_t fftLen);</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="keywordtype">void</span> arm_cfft_q15(</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>    <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__instance__q15.html">arm_cfft_instance_q15</a> * S,</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>          q15_t * p1,</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>          uint8_t ifftFlag,</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>          uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>  {</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>          uint16_t fftLen;                   </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>    <span class="keyword">const</span> q31_t *pTwiddle;             </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;      </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>          uint16_t bitRevLength;             </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span><span class="preprocessor">#if defined(ARM_MATH_MVEI) &amp;&amp; !defined(ARM_MATH_AUTOVECTORIZE)</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride1_arr;                                                               \</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride2_arr;                                                               \</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride3_arr;                                                               \</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>   <span class="keyword">const</span> q31_t *rearranged_twiddle_stride1;                                                                    \</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>   <span class="keyword">const</span> q31_t *rearranged_twiddle_stride2;                                                                    \</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>   <span class="keyword">const</span> q31_t *rearranged_twiddle_stride3;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>  } <a class="code hl_struct" href="structarm__cfft__instance__q31.html">arm_cfft_instance_q31</a>;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>arm_status arm_cfft_init_q31(</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>  <a class="code hl_struct" href="structarm__cfft__instance__q31.html">arm_cfft_instance_q31</a> * S,</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>  uint16_t fftLen);</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="keywordtype">void</span> arm_cfft_q31(</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>    <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__instance__q31.html">arm_cfft_instance_q31</a> * S,</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>          q31_t * p1,</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>          uint8_t ifftFlag,</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>          uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>  {</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>          uint16_t fftLen;                   </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>    <span class="keyword">const</span> float32_t *pTwiddle;         </div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;      </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>          uint16_t bitRevLength;             </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="preprocessor">#if defined(ARM_MATH_MVEF) &amp;&amp; !defined(ARM_MATH_AUTOVECTORIZE)</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride1_arr;                                                               \</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride2_arr;                                                               \</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>   <span class="keyword">const</span> uint32_t *rearranged_twiddle_tab_stride3_arr;                                                               \</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>   <span class="keyword">const</span> float32_t *rearranged_twiddle_stride1;                                                                    \</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>   <span class="keyword">const</span> float32_t *rearranged_twiddle_stride2;                                                                    \</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>   <span class="keyword">const</span> float32_t *rearranged_twiddle_stride3;</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>  } <a class="code hl_struct" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a>;</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span> </div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>  arm_status arm_cfft_init_f32(</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>  <a class="code hl_struct" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> * S,</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>  uint16_t fftLen);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>  <span class="keywordtype">void</span> arm_cfft_f32(</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> * S,</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>        float32_t * p1,</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>        uint8_t ifftFlag,</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>        uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>  {</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>          uint16_t fftLen;                   </div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>    <span class="keyword">const</span> float64_t *pTwiddle;         </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>    <span class="keyword">const</span> uint16_t *pBitRevTable;      </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>          uint16_t bitRevLength;             </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>  } <a class="code hl_struct" href="structarm__cfft__instance__f64.html">arm_cfft_instance_f64</a>;</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>  arm_status arm_cfft_init_f64(</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>  <a class="code hl_struct" href="structarm__cfft__instance__f64.html">arm_cfft_instance_f64</a> * S,</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>  uint16_t fftLen);</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>  </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>  <span class="keywordtype">void</span> arm_cfft_f64(</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__instance__f64.html">arm_cfft_instance_f64</a> * S,</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>        float64_t * p1,</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>        uint8_t ifftFlag,</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>        uint8_t bitReverseFlag);</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>  {</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>          uint32_t fftLenReal;                      </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>          uint8_t ifftFlagR;                        </div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>          uint8_t bitReverseFlagR;                  </div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>          uint32_t twidCoefRModifier;               </div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>    <span class="keyword">const</span> q15_t *pTwiddleAReal;                     </div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>    <span class="keyword">const</span> q15_t *pTwiddleBReal;                     </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="preprocessor">#if defined(ARM_MATH_MVEI) &amp;&amp; !defined(ARM_MATH_AUTOVECTORIZE)</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>    <a class="code hl_struct" href="structarm__cfft__instance__q15.html">arm_cfft_instance_q15</a> cfftInst;</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>    <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__instance__q15.html">arm_cfft_instance_q15</a> *pCfft;       </div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>  } <a class="code hl_struct" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a>;</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span> </div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>  arm_status arm_rfft_init_q15(</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>        <a class="code hl_struct" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> * S,</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>        uint32_t fftLenReal,</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>        uint32_t ifftFlagR,</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>        uint32_t bitReverseFlag);</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span> </div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>  <span class="keywordtype">void</span> arm_rfft_q15(</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> * S,</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>        q15_t * pSrc,</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>        q15_t * pDst);</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>  {</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span>          uint32_t fftLenReal;                        </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>          uint8_t ifftFlagR;                          </div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>          uint8_t bitReverseFlagR;                    </div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span>          uint32_t twidCoefRModifier;                 </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>    <span class="keyword">const</span> q31_t *pTwiddleAReal;                       </div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>    <span class="keyword">const</span> q31_t *pTwiddleBReal;                       </div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span><span class="preprocessor">#if defined(ARM_MATH_MVEI) &amp;&amp; !defined(ARM_MATH_AUTOVECTORIZE)</span></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>    <a class="code hl_struct" href="structarm__cfft__instance__q31.html">arm_cfft_instance_q31</a> cfftInst;</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>    <span class="keyword">const</span> <a class="code hl_struct" href="structarm__cfft__instance__q31.html">arm_cfft_instance_q31</a> *pCfft;         </div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>  } <a class="code hl_struct" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a>;</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span> </div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>  arm_status arm_rfft_init_q31(</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span>        <a class="code hl_struct" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a> * S,</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span>        uint32_t fftLenReal,</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>        uint32_t ifftFlagR,</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>        uint32_t bitReverseFlag);</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span> </div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span>  <span class="keywordtype">void</span> arm_rfft_q31(</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a> * S,</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>        q31_t * pSrc,</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>        q31_t * pDst);</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>  {</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>          uint32_t fftLenReal;                        </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>          uint16_t fftLenBy2;                         </div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span>          uint8_t ifftFlagR;                          </div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>          uint8_t bitReverseFlagR;                    </div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>          uint32_t twidCoefRModifier;                     </div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>    <span class="keyword">const</span> float32_t *pTwiddleAReal;                   </div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>    <span class="keyword">const</span> float32_t *pTwiddleBReal;                   </div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>          <a class="code hl_struct" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> *pCfft;        </div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>  } <a class="code hl_struct" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a>;</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span> </div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>  arm_status arm_rfft_init_f32(</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>        <a class="code hl_struct" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a> * S,</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>        <a class="code hl_struct" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> * S_CFFT,</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>        uint32_t fftLenReal,</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>        uint32_t ifftFlagR,</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>        uint32_t bitReverseFlag);</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span> </div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>  <span class="keywordtype">void</span> arm_rfft_f32(</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a> * S,</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>        float32_t * pSrc,</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>        float32_t * pDst);</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>  {</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span>          <a class="code hl_struct" href="structarm__cfft__instance__f64.html">arm_cfft_instance_f64</a> Sint;      </div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>          uint16_t fftLenRFFT;             </div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>    <span class="keyword">const</span> float64_t * pTwiddleRFFT;        </div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>  } <a class="code hl_struct" href="structarm__rfft__fast__instance__f64.html">arm_rfft_fast_instance_f64</a> ;</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span> </div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>arm_status arm_rfft_fast_init_f64 (</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>         <a class="code hl_struct" href="structarm__rfft__fast__instance__f64.html">arm_rfft_fast_instance_f64</a> * S,</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>         uint16_t fftLen);</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span> </div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span> </div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span><span class="keywordtype">void</span> arm_rfft_fast_f64(</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>    <a class="code hl_struct" href="structarm__rfft__fast__instance__f64.html">arm_rfft_fast_instance_f64</a> * S,</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span>    float64_t * p, float64_t * pOut,</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>    uint8_t ifftFlag);</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span> </div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>  {</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>          <a class="code hl_struct" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> Sint;      </div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>          uint16_t fftLenRFFT;             </div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>    <span class="keyword">const</span> float32_t * pTwiddleRFFT;        </div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>  } <a class="code hl_struct" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> ;</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span> </div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>arm_status arm_rfft_fast_init_f32 (</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>         <a class="code hl_struct" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> * S,</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>         uint16_t fftLen);</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span> </div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span> </div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>  <span class="keywordtype">void</span> arm_rfft_fast_f32(</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>        <span class="keyword">const</span> <a class="code hl_struct" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> * S,</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>        float32_t * p, float32_t * pOut,</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>        uint8_t ifftFlag);</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>  {</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>          uint16_t N;                          </div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>          uint16_t Nby2;                       </div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>          float32_t normalize;                 </div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>    <span class="keyword">const</span> float32_t *pTwiddle;                 </div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>    <span class="keyword">const</span> float32_t *pCosFactor;               </div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>          <a class="code hl_struct" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a> *pRfft;        </div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>          <a class="code hl_struct" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> *pCfft; </div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>  } <a class="code hl_struct" href="structarm__dct4__instance__f32.html">arm_dct4_instance_f32</a>;</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span> </div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>  arm_status arm_dct4_init_f32(</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>        <a class="code hl_struct" href="structarm__dct4__instance__f32.html">arm_dct4_instance_f32</a> * S,</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>        <a class="code hl_struct" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a> * S_RFFT,</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>        <a class="code hl_struct" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> * S_CFFT,</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>        uint16_t N,</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>        uint16_t Nby2,</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>        float32_t normalize);</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span> </div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span></div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>  <span class="keywordtype">void</span> arm_dct4_f32(</div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__dct4__instance__f32.html">arm_dct4_instance_f32</a> * S,</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>        float32_t * pState,</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>        float32_t * pInlineBuffer);</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span> </div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span></div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>  {</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>          uint16_t N;                          </div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>          uint16_t Nby2;                       </div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>          q31_t normalize;                     </div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>    <span class="keyword">const</span> q31_t *pTwiddle;                     </div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span>    <span class="keyword">const</span> q31_t *pCosFactor;                   </div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>          <a class="code hl_struct" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a> *pRfft;        </div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span>          <a class="code hl_struct" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a> *pCfft; </div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>  } <a class="code hl_struct" href="structarm__dct4__instance__q31.html">arm_dct4_instance_q31</a>;</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span> </div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span>  arm_status arm_dct4_init_q31(</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>        <a class="code hl_struct" href="structarm__dct4__instance__q31.html">arm_dct4_instance_q31</a> * S,</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>        <a class="code hl_struct" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a> * S_RFFT,</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>        <a class="code hl_struct" href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a> * S_CFFT,</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span>        uint16_t N,</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>        uint16_t Nby2,</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>        q31_t normalize);</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span> </div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span></div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>  <span class="keywordtype">void</span> arm_dct4_q31(</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__dct4__instance__q31.html">arm_dct4_instance_q31</a> * S,</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span>        q31_t * pState,</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>        q31_t * pInlineBuffer);</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span> </div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span></div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>  <span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span>  {</div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>          uint16_t N;                          </div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>          uint16_t Nby2;                       </div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span>          q15_t normalize;                     </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>    <span class="keyword">const</span> q15_t *pTwiddle;                     </div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>    <span class="keyword">const</span> q15_t *pCosFactor;                   </div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>          <a class="code hl_struct" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> *pRfft;        </div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>          <a class="code hl_struct" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a> *pCfft; </div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>  } <a class="code hl_struct" href="structarm__dct4__instance__q15.html">arm_dct4_instance_q15</a>;</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span> </div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span></div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>  arm_status arm_dct4_init_q15(</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span>        <a class="code hl_struct" href="structarm__dct4__instance__q15.html">arm_dct4_instance_q15</a> * S,</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span>        <a class="code hl_struct" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> * S_RFFT,</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span>        <a class="code hl_struct" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a> * S_CFFT,</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span>        uint16_t N,</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span>        uint16_t Nby2,</div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>        q15_t normalize);</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span> </div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span></div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>  <span class="keywordtype">void</span> arm_dct4_q15(</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__dct4__instance__q15.html">arm_dct4_instance_q15</a> * S,</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span>        q15_t * pState,</div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span>        q15_t * pInlineBuffer);</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span></div>
<div class="foldopen" id="foldopen00589" data-start="{" data-end="};">
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html">  589</a></span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span>  {</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html#a22ba2a2a00baf9ce585ff2efb9b0b6c4">  591</a></span>     <span class="keyword">const</span> float32_t *<a class="code hl_variable" href="structarm__mfcc__instance__f32.html#a22ba2a2a00baf9ce585ff2efb9b0b6c4">dctCoefs</a>; </div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html#a14bf5324585cbf5341c926abaf6fab97">  592</a></span>     <span class="keyword">const</span> float32_t *<a class="code hl_variable" href="structarm__mfcc__instance__f32.html#a14bf5324585cbf5341c926abaf6fab97">filterCoefs</a>;  </div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html#aefff87cb3678d2df2d5692b5cb90dc10">  593</a></span>     <span class="keyword">const</span> float32_t *<a class="code hl_variable" href="structarm__mfcc__instance__f32.html#aefff87cb3678d2df2d5692b5cb90dc10">windowCoefs</a>;  </div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html#a34bbc3084ec3a7f639665e9e22eb1afe">  594</a></span>     <span class="keyword">const</span> uint32_t *<a class="code hl_variable" href="structarm__mfcc__instance__f32.html#a34bbc3084ec3a7f639665e9e22eb1afe">filterPos</a>;  </div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html#a18ff26c8d765e3f5a0d2718c31f08452">  595</a></span>     <span class="keyword">const</span> uint32_t *<a class="code hl_variable" href="structarm__mfcc__instance__f32.html#a18ff26c8d765e3f5a0d2718c31f08452">filterLengths</a>;  </div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html#ac7831ccea74c9ef3abcc203966678940">  596</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__f32.html#ac7831ccea74c9ef3abcc203966678940">fftLen</a>; </div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html#ab4d87bb4668745e613103d1f70280517">  597</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__f32.html#ab4d87bb4668745e613103d1f70280517">nbMelFilters</a>; </div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__f32.html#a330c20318973465f00967da469f98ae2">  598</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__f32.html#a330c20318973465f00967da469f98ae2">nbDctOutputs</a>; </div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span><span class="preprocessor">#if defined(ARM_MFCC_CFFT_BASED)</span></div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>     <span class="comment">/* Implementation of the MFCC is using a CFFT */</span></div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>     <a class="code hl_struct" href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a> cfft; </div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span>     <span class="comment">/* Implementation of the MFCC is using a RFFT (default) */</span></div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno">  604</span>     <a class="code hl_struct" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> rfft;</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span>  } <a class="code hl_struct" href="structarm__mfcc__instance__f32.html">arm_mfcc_instance_f32</a> ;</div>
</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span> </div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span>arm_status arm_mfcc_init_f32(</div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span>  <a class="code hl_struct" href="structarm__mfcc__instance__f32.html">arm_mfcc_instance_f32</a> * S,</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span>  uint32_t fftLen,</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span>  uint32_t nbMelFilters,</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span>  uint32_t nbDctOutputs,</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span>  <span class="keyword">const</span> float32_t *dctCoefs,</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno">  614</span>  <span class="keyword">const</span> uint32_t *filterPos,</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span>  <span class="keyword">const</span> uint32_t *filterLengths,</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span>  <span class="keyword">const</span> float32_t *filterCoefs,</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span>  <span class="keyword">const</span> float32_t *windowCoefs</div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span>  );</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno">  619</span> </div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span></div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span>  <span class="keywordtype">void</span> arm_mfcc_f32(</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__mfcc__instance__f32.html">arm_mfcc_instance_f32</a> * S,</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span>  float32_t *pSrc,</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span>  float32_t *pDst,</div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno">  633</span>  float32_t *pTmp</div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno">  634</span>  );</div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno">  635</span> </div>
<div class="foldopen" id="foldopen00636" data-start="{" data-end="};">
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html">  636</a></span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno">  637</span>  {</div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html#a8eedc38f949508ecc3bd687ab30f0eb8">  638</a></span>     <span class="keyword">const</span> q31_t *<a class="code hl_variable" href="structarm__mfcc__instance__q31.html#a8eedc38f949508ecc3bd687ab30f0eb8">dctCoefs</a>; </div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html#a7e20dc4ab2d57f8db9fb419f0b59a343">  639</a></span>     <span class="keyword">const</span> q31_t *<a class="code hl_variable" href="structarm__mfcc__instance__q31.html#a7e20dc4ab2d57f8db9fb419f0b59a343">filterCoefs</a>;  </div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html#ae299d96f03fc31fdcfa6958685470975">  640</a></span>     <span class="keyword">const</span> q31_t *<a class="code hl_variable" href="structarm__mfcc__instance__q31.html#ae299d96f03fc31fdcfa6958685470975">windowCoefs</a>;  </div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html#aa5c115f0f30c59dfce9685bc48dc8f3a">  641</a></span>     <span class="keyword">const</span> uint32_t *<a class="code hl_variable" href="structarm__mfcc__instance__q31.html#aa5c115f0f30c59dfce9685bc48dc8f3a">filterPos</a>;  </div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html#a6962f1f4ed9623f40e82f15c139dd412">  642</a></span>     <span class="keyword">const</span> uint32_t *<a class="code hl_variable" href="structarm__mfcc__instance__q31.html#a6962f1f4ed9623f40e82f15c139dd412">filterLengths</a>;  </div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html#a7b7db44d4b9c2f3ad787ef95dbdac459">  643</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__q31.html#a7b7db44d4b9c2f3ad787ef95dbdac459">fftLen</a>; </div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html#afc0136a3768cbe0bb0afbcb7ad0462bd">  644</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__q31.html#afc0136a3768cbe0bb0afbcb7ad0462bd">nbMelFilters</a>; </div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q31.html#a6778e4ea1df05cc97a42a2b11643ba89">  645</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__q31.html#a6778e4ea1df05cc97a42a2b11643ba89">nbDctOutputs</a>; </div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span><span class="preprocessor">#if defined(ARM_MFCC_CFFT_BASED)</span></div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span>     <span class="comment">/* Implementation of the MFCC is using a CFFT */</span></div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span>     <a class="code hl_struct" href="structarm__cfft__instance__q31.html">arm_cfft_instance_q31</a> cfft; </div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span>     <span class="comment">/* Implementation of the MFCC is using a RFFT (default) */</span></div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span>     <a class="code hl_struct" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a> rfft;</div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span>  } <a class="code hl_struct" href="structarm__mfcc__instance__q31.html">arm_mfcc_instance_q31</a> ;</div>
</div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span> </div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno">  655</span>arm_status arm_mfcc_init_q31(</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno">  656</span>  <a class="code hl_struct" href="structarm__mfcc__instance__q31.html">arm_mfcc_instance_q31</a> * S,</div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno">  657</span>  uint32_t fftLen,</div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno">  658</span>  uint32_t nbMelFilters,</div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno">  659</span>  uint32_t nbDctOutputs,</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno">  660</span>  <span class="keyword">const</span> q31_t *dctCoefs,</div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno">  661</span>  <span class="keyword">const</span> uint32_t *filterPos,</div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno">  662</span>  <span class="keyword">const</span> uint32_t *filterLengths,</div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno">  663</span>  <span class="keyword">const</span> q31_t *filterCoefs,</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno">  664</span>  <span class="keyword">const</span> q31_t *windowCoefs</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno">  665</span>  );</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno">  666</span> </div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno">  667</span></div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno">  676</span>  arm_status arm_mfcc_q31(</div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno">  677</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__mfcc__instance__q31.html">arm_mfcc_instance_q31</a> * S,</div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno">  678</span>  q31_t *pSrc,</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno">  679</span>  q31_t *pDst,</div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno">  680</span>  q31_t *pTmp</div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno">  681</span>  );</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno">  682</span> </div>
<div class="foldopen" id="foldopen00683" data-start="{" data-end="};">
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html">  683</a></span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno">  684</span>  {</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html#acc15e9a4c6b7e0fd55aaf3bec8cc3319">  685</a></span>     <span class="keyword">const</span> q15_t *<a class="code hl_variable" href="structarm__mfcc__instance__q15.html#acc15e9a4c6b7e0fd55aaf3bec8cc3319">dctCoefs</a>; </div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html#a6a794945ca8b5999763ef0f24b9bfdf7">  686</a></span>     <span class="keyword">const</span> q15_t *<a class="code hl_variable" href="structarm__mfcc__instance__q15.html#a6a794945ca8b5999763ef0f24b9bfdf7">filterCoefs</a>;  </div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html#a2181dd31a69806bc2beac971406e3650">  687</a></span>     <span class="keyword">const</span> q15_t *<a class="code hl_variable" href="structarm__mfcc__instance__q15.html#a2181dd31a69806bc2beac971406e3650">windowCoefs</a>;  </div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html#ae5c78e4c2c9546290deeb7d464e479a6">  688</a></span>     <span class="keyword">const</span> uint32_t *<a class="code hl_variable" href="structarm__mfcc__instance__q15.html#ae5c78e4c2c9546290deeb7d464e479a6">filterPos</a>;  </div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html#afdbed003fa72d8e13f73b4a953ff2991">  689</a></span>     <span class="keyword">const</span> uint32_t *<a class="code hl_variable" href="structarm__mfcc__instance__q15.html#afdbed003fa72d8e13f73b4a953ff2991">filterLengths</a>;  </div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html#aa4b76b63ff390206fbeb0c94f06dbf9c">  690</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__q15.html#aa4b76b63ff390206fbeb0c94f06dbf9c">fftLen</a>; </div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html#a641f62be2158503a468a9060c3e5ae22">  691</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__q15.html#a641f62be2158503a468a9060c3e5ae22">nbMelFilters</a>; </div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno"><a class="line" href="structarm__mfcc__instance__q15.html#a848335e2c24d421f4b04a438587beda9">  692</a></span>     uint32_t <a class="code hl_variable" href="structarm__mfcc__instance__q15.html#a848335e2c24d421f4b04a438587beda9">nbDctOutputs</a>; </div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno">  693</span><span class="preprocessor">#if defined(ARM_MFCC_CFFT_BASED)</span></div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno">  694</span>     <span class="comment">/* Implementation of the MFCC is using a CFFT */</span></div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno">  695</span>     <a class="code hl_struct" href="structarm__cfft__instance__q15.html">arm_cfft_instance_q15</a> cfft; </div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno">  696</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno">  697</span>     <span class="comment">/* Implementation of the MFCC is using a RFFT (default) */</span></div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno">  698</span>     <a class="code hl_struct" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> rfft;</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno">  699</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno">  700</span>  } <a class="code hl_struct" href="structarm__mfcc__instance__q15.html">arm_mfcc_instance_q15</a> ;</div>
</div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno">  701</span> </div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno">  702</span>arm_status arm_mfcc_init_q15(</div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno">  703</span>  <a class="code hl_struct" href="structarm__mfcc__instance__q15.html">arm_mfcc_instance_q15</a> * S,</div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno">  704</span>  uint32_t fftLen,</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno">  705</span>  uint32_t nbMelFilters,</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno">  706</span>  uint32_t nbDctOutputs,</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno">  707</span>  <span class="keyword">const</span> q15_t *dctCoefs,</div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno">  708</span>  <span class="keyword">const</span> uint32_t *filterPos,</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno">  709</span>  <span class="keyword">const</span> uint32_t *filterLengths,</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno">  710</span>  <span class="keyword">const</span> q15_t *filterCoefs,</div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno">  711</span>  <span class="keyword">const</span> q15_t *windowCoefs</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno">  712</span>  );</div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno">  713</span> </div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno">  714</span></div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno">  723</span>  arm_status arm_mfcc_q15(</div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno">  724</span>  <span class="keyword">const</span> <a class="code hl_struct" href="structarm__mfcc__instance__q15.html">arm_mfcc_instance_q15</a> * S,</div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno">  725</span>  q15_t *pSrc,</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno">  726</span>  q15_t *pDst,</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno">  727</span>  q31_t *pTmp</div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno">  728</span>  );</div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno">  729</span> </div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno">  730</span> </div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno">  731</span><span class="preprocessor">#ifdef   __cplusplus</span></div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno">  732</span>}</div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno">  733</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno">  734</span> </div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno">  735</span><span class="preprocessor">#endif </span><span class="comment">/* ifndef _TRANSFORM_FUNCTIONS_H_ */</span><span class="preprocessor"></span></div>
<div class="ttc" id="astructarm__cfft__instance__f32_html"><div class="ttname"><a href="structarm__cfft__instance__f32.html">arm_cfft_instance_f32</a></div><div class="ttdoc">Instance structure for the floating-point CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3170</div></div>
<div class="ttc" id="astructarm__cfft__instance__f64_html"><div class="ttname"><a href="structarm__cfft__instance__f64.html">arm_cfft_instance_f64</a></div><div class="ttdoc">Instance structure for the Double Precision Floating-point CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3201</div></div>
<div class="ttc" id="astructarm__cfft__instance__q15_html"><div class="ttname"><a href="structarm__cfft__instance__q15.html">arm_cfft_instance_q15</a></div><div class="ttdoc">Instance structure for the fixed-point CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3112</div></div>
<div class="ttc" id="astructarm__cfft__instance__q31_html"><div class="ttname"><a href="structarm__cfft__instance__q31.html">arm_cfft_instance_q31</a></div><div class="ttdoc">Instance structure for the fixed-point CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3141</div></div>
<div class="ttc" id="astructarm__cfft__radix2__instance__f32_html"><div class="ttname"><a href="structarm__cfft__radix2__instance__f32.html">arm_cfft_radix2_instance_f32</a></div><div class="ttdoc">Instance structure for the floating-point CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3058</div></div>
<div class="ttc" id="astructarm__cfft__radix2__instance__q15_html"><div class="ttname"><a href="structarm__cfft__radix2__instance__q15.html">arm_cfft_radix2_instance_q15</a></div><div class="ttdoc">Instance structure for the Q15 CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:2953</div></div>
<div class="ttc" id="astructarm__cfft__radix2__instance__q31_html"><div class="ttname"><a href="structarm__cfft__radix2__instance__q31.html">arm_cfft_radix2_instance_q31</a></div><div class="ttdoc">Instance structure for the Radix-2 Q31 CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3006</div></div>
<div class="ttc" id="astructarm__cfft__radix4__instance__f32_html"><div class="ttname"><a href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a></div><div class="ttdoc">Instance structure for the floating-point CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3085</div></div>
<div class="ttc" id="astructarm__cfft__radix4__instance__q15_html"><div class="ttname"><a href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a></div><div class="ttdoc">Instance structure for the Q15 CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:2980</div></div>
<div class="ttc" id="astructarm__cfft__radix4__instance__q31_html"><div class="ttname"><a href="structarm__cfft__radix4__instance__q31.html">arm_cfft_radix4_instance_q31</a></div><div class="ttdoc">Instance structure for the Q31 CFFT/CIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3032</div></div>
<div class="ttc" id="astructarm__dct4__instance__f32_html"><div class="ttname"><a href="structarm__dct4__instance__f32.html">arm_dct4_instance_f32</a></div><div class="ttdoc">Instance structure for the floating-point DCT4/IDCT4 function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3344</div></div>
<div class="ttc" id="astructarm__dct4__instance__q15_html"><div class="ttname"><a href="structarm__dct4__instance__q15.html">arm_dct4_instance_q15</a></div><div class="ttdoc">Instance structure for the Q15 DCT4/IDCT4 function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3436</div></div>
<div class="ttc" id="astructarm__dct4__instance__q31_html"><div class="ttname"><a href="structarm__dct4__instance__q31.html">arm_dct4_instance_q31</a></div><div class="ttdoc">Instance structure for the Q31 DCT4/IDCT4 function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3390</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html"><div class="ttname"><a href="structarm__mfcc__instance__f32.html">arm_mfcc_instance_f32</a></div><div class="ttdoc">Instance structure for the Floating-point MFCC function.</div><div class="ttdef"><b>Definition</b> transform_functions.h:590</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html_a14bf5324585cbf5341c926abaf6fab97"><div class="ttname"><a href="structarm__mfcc__instance__f32.html#a14bf5324585cbf5341c926abaf6fab97">arm_mfcc_instance_f32::filterCoefs</a></div><div class="ttdeci">const float32_t * filterCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:592</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html_a18ff26c8d765e3f5a0d2718c31f08452"><div class="ttname"><a href="structarm__mfcc__instance__f32.html#a18ff26c8d765e3f5a0d2718c31f08452">arm_mfcc_instance_f32::filterLengths</a></div><div class="ttdeci">const uint32_t * filterLengths</div><div class="ttdef"><b>Definition</b> transform_functions.h:595</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html_a22ba2a2a00baf9ce585ff2efb9b0b6c4"><div class="ttname"><a href="structarm__mfcc__instance__f32.html#a22ba2a2a00baf9ce585ff2efb9b0b6c4">arm_mfcc_instance_f32::dctCoefs</a></div><div class="ttdeci">const float32_t * dctCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:591</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html_a330c20318973465f00967da469f98ae2"><div class="ttname"><a href="structarm__mfcc__instance__f32.html#a330c20318973465f00967da469f98ae2">arm_mfcc_instance_f32::nbDctOutputs</a></div><div class="ttdeci">uint32_t nbDctOutputs</div><div class="ttdef"><b>Definition</b> transform_functions.h:598</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html_a34bbc3084ec3a7f639665e9e22eb1afe"><div class="ttname"><a href="structarm__mfcc__instance__f32.html#a34bbc3084ec3a7f639665e9e22eb1afe">arm_mfcc_instance_f32::filterPos</a></div><div class="ttdeci">const uint32_t * filterPos</div><div class="ttdef"><b>Definition</b> transform_functions.h:594</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html_ab4d87bb4668745e613103d1f70280517"><div class="ttname"><a href="structarm__mfcc__instance__f32.html#ab4d87bb4668745e613103d1f70280517">arm_mfcc_instance_f32::nbMelFilters</a></div><div class="ttdeci">uint32_t nbMelFilters</div><div class="ttdef"><b>Definition</b> transform_functions.h:597</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html_ac7831ccea74c9ef3abcc203966678940"><div class="ttname"><a href="structarm__mfcc__instance__f32.html#ac7831ccea74c9ef3abcc203966678940">arm_mfcc_instance_f32::fftLen</a></div><div class="ttdeci">uint32_t fftLen</div><div class="ttdef"><b>Definition</b> transform_functions.h:596</div></div>
<div class="ttc" id="astructarm__mfcc__instance__f32_html_aefff87cb3678d2df2d5692b5cb90dc10"><div class="ttname"><a href="structarm__mfcc__instance__f32.html#aefff87cb3678d2df2d5692b5cb90dc10">arm_mfcc_instance_f32::windowCoefs</a></div><div class="ttdeci">const float32_t * windowCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:593</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html"><div class="ttname"><a href="structarm__mfcc__instance__q15.html">arm_mfcc_instance_q15</a></div><div class="ttdef"><b>Definition</b> transform_functions.h:684</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html_a2181dd31a69806bc2beac971406e3650"><div class="ttname"><a href="structarm__mfcc__instance__q15.html#a2181dd31a69806bc2beac971406e3650">arm_mfcc_instance_q15::windowCoefs</a></div><div class="ttdeci">const q15_t * windowCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:687</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html_a641f62be2158503a468a9060c3e5ae22"><div class="ttname"><a href="structarm__mfcc__instance__q15.html#a641f62be2158503a468a9060c3e5ae22">arm_mfcc_instance_q15::nbMelFilters</a></div><div class="ttdeci">uint32_t nbMelFilters</div><div class="ttdef"><b>Definition</b> transform_functions.h:691</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html_a6a794945ca8b5999763ef0f24b9bfdf7"><div class="ttname"><a href="structarm__mfcc__instance__q15.html#a6a794945ca8b5999763ef0f24b9bfdf7">arm_mfcc_instance_q15::filterCoefs</a></div><div class="ttdeci">const q15_t * filterCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:686</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html_a848335e2c24d421f4b04a438587beda9"><div class="ttname"><a href="structarm__mfcc__instance__q15.html#a848335e2c24d421f4b04a438587beda9">arm_mfcc_instance_q15::nbDctOutputs</a></div><div class="ttdeci">uint32_t nbDctOutputs</div><div class="ttdef"><b>Definition</b> transform_functions.h:692</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html_aa4b76b63ff390206fbeb0c94f06dbf9c"><div class="ttname"><a href="structarm__mfcc__instance__q15.html#aa4b76b63ff390206fbeb0c94f06dbf9c">arm_mfcc_instance_q15::fftLen</a></div><div class="ttdeci">uint32_t fftLen</div><div class="ttdef"><b>Definition</b> transform_functions.h:690</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html_acc15e9a4c6b7e0fd55aaf3bec8cc3319"><div class="ttname"><a href="structarm__mfcc__instance__q15.html#acc15e9a4c6b7e0fd55aaf3bec8cc3319">arm_mfcc_instance_q15::dctCoefs</a></div><div class="ttdeci">const q15_t * dctCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:685</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html_ae5c78e4c2c9546290deeb7d464e479a6"><div class="ttname"><a href="structarm__mfcc__instance__q15.html#ae5c78e4c2c9546290deeb7d464e479a6">arm_mfcc_instance_q15::filterPos</a></div><div class="ttdeci">const uint32_t * filterPos</div><div class="ttdef"><b>Definition</b> transform_functions.h:688</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q15_html_afdbed003fa72d8e13f73b4a953ff2991"><div class="ttname"><a href="structarm__mfcc__instance__q15.html#afdbed003fa72d8e13f73b4a953ff2991">arm_mfcc_instance_q15::filterLengths</a></div><div class="ttdeci">const uint32_t * filterLengths</div><div class="ttdef"><b>Definition</b> transform_functions.h:689</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html"><div class="ttname"><a href="structarm__mfcc__instance__q31.html">arm_mfcc_instance_q31</a></div><div class="ttdef"><b>Definition</b> transform_functions.h:637</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html_a6778e4ea1df05cc97a42a2b11643ba89"><div class="ttname"><a href="structarm__mfcc__instance__q31.html#a6778e4ea1df05cc97a42a2b11643ba89">arm_mfcc_instance_q31::nbDctOutputs</a></div><div class="ttdeci">uint32_t nbDctOutputs</div><div class="ttdef"><b>Definition</b> transform_functions.h:645</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html_a6962f1f4ed9623f40e82f15c139dd412"><div class="ttname"><a href="structarm__mfcc__instance__q31.html#a6962f1f4ed9623f40e82f15c139dd412">arm_mfcc_instance_q31::filterLengths</a></div><div class="ttdeci">const uint32_t * filterLengths</div><div class="ttdef"><b>Definition</b> transform_functions.h:642</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html_a7b7db44d4b9c2f3ad787ef95dbdac459"><div class="ttname"><a href="structarm__mfcc__instance__q31.html#a7b7db44d4b9c2f3ad787ef95dbdac459">arm_mfcc_instance_q31::fftLen</a></div><div class="ttdeci">uint32_t fftLen</div><div class="ttdef"><b>Definition</b> transform_functions.h:643</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html_a7e20dc4ab2d57f8db9fb419f0b59a343"><div class="ttname"><a href="structarm__mfcc__instance__q31.html#a7e20dc4ab2d57f8db9fb419f0b59a343">arm_mfcc_instance_q31::filterCoefs</a></div><div class="ttdeci">const q31_t * filterCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:639</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html_a8eedc38f949508ecc3bd687ab30f0eb8"><div class="ttname"><a href="structarm__mfcc__instance__q31.html#a8eedc38f949508ecc3bd687ab30f0eb8">arm_mfcc_instance_q31::dctCoefs</a></div><div class="ttdeci">const q31_t * dctCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:638</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html_aa5c115f0f30c59dfce9685bc48dc8f3a"><div class="ttname"><a href="structarm__mfcc__instance__q31.html#aa5c115f0f30c59dfce9685bc48dc8f3a">arm_mfcc_instance_q31::filterPos</a></div><div class="ttdeci">const uint32_t * filterPos</div><div class="ttdef"><b>Definition</b> transform_functions.h:641</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html_ae299d96f03fc31fdcfa6958685470975"><div class="ttname"><a href="structarm__mfcc__instance__q31.html#ae299d96f03fc31fdcfa6958685470975">arm_mfcc_instance_q31::windowCoefs</a></div><div class="ttdeci">const q31_t * windowCoefs</div><div class="ttdef"><b>Definition</b> transform_functions.h:640</div></div>
<div class="ttc" id="astructarm__mfcc__instance__q31_html_afc0136a3768cbe0bb0afbcb7ad0462bd"><div class="ttname"><a href="structarm__mfcc__instance__q31.html#afc0136a3768cbe0bb0afbcb7ad0462bd">arm_mfcc_instance_q31::nbMelFilters</a></div><div class="ttdeci">uint32_t nbMelFilters</div><div class="ttdef"><b>Definition</b> transform_functions.h:644</div></div>
<div class="ttc" id="astructarm__rfft__fast__instance__f32_html"><div class="ttname"><a href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a></div><div class="ttdoc">Instance structure for the floating-point RFFT/RIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3324</div></div>
<div class="ttc" id="astructarm__rfft__fast__instance__f64_html"><div class="ttname"><a href="structarm__rfft__fast__instance__f64.html">arm_rfft_fast_instance_f64</a></div><div class="ttdoc">Instance structure for the Double Precision Floating-point RFFT/RIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3303</div></div>
<div class="ttc" id="astructarm__rfft__instance__f32_html"><div class="ttname"><a href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a></div><div class="ttdoc">Instance structure for the floating-point RFFT/RIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3276</div></div>
<div class="ttc" id="astructarm__rfft__instance__q15_html"><div class="ttname"><a href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a></div><div class="ttdoc">Instance structure for the Q15 RFFT/RIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3218</div></div>
<div class="ttc" id="astructarm__rfft__instance__q31_html"><div class="ttname"><a href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a></div><div class="ttdoc">Instance structure for the Q31 RFFT/RIFFT function.</div><div class="ttdef"><b>Definition</b> arm_math.h:3247</div></div>
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